<template>
  <div>
    <div id="box">
      <h1>登录界面</h1>
      <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="ruleForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="pass">
          <el-input type="password" v-model="ruleForm.pass" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
          <el-button @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
  
<script>
export default {
  data() {
    var checkAge = (rule, value, callback) => {
      if (!value) {
        return callback(new Error("用户名不能为空"));
      } else if (value != "可爱登") {
        callback(new Error("你输入的用户名不对"));
      } else {
        callback();
      }
    };
    var validatePass = (rule, value, callback) => {
      if (value == 123456) {
        callback();
      } else if (!value) {
        callback(new Error("密码不能为空"));
      } else {
        callback(new Error("你输入的密码不对"));
      }
    };
    return {
      ruleForm: {
        pass: "",
        username: "",
      },
      rules: {
        pass: [{ validator: validatePass, trigger: "blur" }],
        username: [{ validator: checkAge, trigger: "blur" }],
      },
    };
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          alert("提交成功");
          localStorage.setItem("用户名", this.ruleForm.username);
          localStorage.setItem("密码", this.ruleForm.pass);
          this.$router.push("/app1");
        } else {
          alert("提交失败");
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
  },
};
</script>
  
<style lang="less" scoped>
#box {
  width: 400px;
  height: 300px;
  margin: auto;
  margin-top: 100px;
  outline: 1px solid black;
  box-shadow: 0px 0px 10px 5px gray;
  position: relative;
}

h1 {
  position: absolute;
  left: 140px;
  top: 30px;
}

.el-form {
  position: absolute;
  width: 80%;
  position: absolute;
  left: 20px;
  top: 100px;
}
</style>